jet lag

noun

: a condition that is characterized by various psychological and physiological effects (such as fatigue and irritability), occurs following long flight through several time zones, and probably results from disruption of circadian rhythms in the human body
Temporary fatigue, drowsiness, and loss of concentration are typical symptoms of isolated bouts of jet lagJ. Netting
jet-lagged adjective

Examples of jet lag in a Sentence

I had bad jet lag after that last trip overseas.
Recent Examples on the Web Daily schedules that involve shift work or having jet lag can interfere with these schedules. Anna Giorgi, Verywell Health, 25 Oct. 2024 Melatonin effectively prevents or decreases jet lag from flights crossing five or more time zones. Willow Jarosh, Ms, Rd, Health, 18 Oct. 2024 Prefer to shake off jet lag in the comfort of your suite? Lane Nieset, Travel + Leisure, 18 Sep. 2024 These days, social media is full of travel hacks that promise to make air travel easier, whether those are tips for packing into a carry-on, toys to keep toddlers busy on a long-haul flight, or pillows to beat jet lag. Robb Report Studio, Robb Report, 10 Oct. 2024 See all Example Sentences for jet lag 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'jet lag.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1965, in the meaning defined above

Time Traveler
The first known use of jet lag was in 1965

Dictionary Entries Near jet lag

Cite this Entry

“Jet lag.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jet%20lag. Accessed 31 Oct. 2024.

Kids Definition

jet lag

noun
: a condition that is marked by physical and mental symptoms (as tiredness and bad temper) and occurs following a long flight through several time zones

Medical Definition

jet lag

noun
: a condition that is characterized by various psychological and physiological effects (as fatigue and irritability), occurs following long flight through several time zones, and probably results from disruption of circadian rhythms in the human body

called also jet fatigue

jet-lagged adjective

More from Merriam-Webster on jet lag

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